/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later,
 * or the Apache License Version 2.0.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package com.feilong.lib.javassist.compiler.ast;

import com.feilong.lib.javassist.compiler.CompileError;

/**
 * Conditional expression.
 */
public class CondExpr extends ASTList{

    /** default serialVersionUID */
    private static final long serialVersionUID = 1L;

    public CondExpr(ASTree cond, ASTree thenp, ASTree elsep){
        super(cond, new ASTList(thenp, new ASTList(elsep)));
    }

    public ASTree condExpr(){
        return head();
    }

    public void setCond(ASTree t){
        setHead(t);
    }

    public ASTree thenExpr(){
        return tail().head();
    }

    public void setThen(ASTree t){
        tail().setHead(t);
    }

    public ASTree elseExpr(){
        return tail().tail().head();
    }

    public void setElse(ASTree t){
        tail().tail().setHead(t);
    }

    @Override
    public String getTag(){
        return "?:";
    }

    @Override
    public void accept(Visitor v) throws CompileError{
        v.atCondExpr(this);
    }
}
